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Finding the Fourth Proportional to 14,847.86, 22,272.05 and 6,945.99

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Solution

The fourth proportional to 14,847.86, 22,272.05 and 6,945.99 is: 10,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.86 : 22,272.05 = 6,945.99 : x
  2. Step 2: Convert to fraction form
    14,847.86/22,272.05 = 6,945.99/x
  3. Step 3: Cross multiply
    14,847.86x = 22,272.05 × 6,945.99
  4. Step 4: Simplify right side
    14,847.86x = 154,701,401.85
  5. Step 5: Solve for x
    x = 154,701,401.85/14,847.86
  6. Step 6: Final answer
    x = 10,419.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.